(electronics) A type of vacuum tube which amplifies electromagnetic signals, where the electron gun fires down the tube with an unmodulated electron beam, that passes through an interaction array, where the EM-signal is fed, which interacts with the electron beam, bunching the electrons, and transferring power to the signal.

plural of traveling-wave tube Alternative form of travelling-wave tubes

plural of travelling-wave tube

A modern approach to growing and making coffee, where the beans are treated as an artisanal ingredient.

plural of quarter-wave plate

A follower of third-wave feminism.

plural of third-wave feminist

(in military combat) To indicate to an opposing force that one is surrendering. / (figuratively) To yield, give up, or quit.

(oceanographics, nautical) A standardized measure of trough-to-crest wave height calculated for the needs of seafarers; exact mathematical definition has varied over time and currently it is defined as four times the standard deviation of the surface elevation.

plural of Schrödinger wave function